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https://www.readbyqxmd.com/read/29351809/axonal-transport-in-a-peripheral-diabetic-neuropathy-model-sex-dimorphic-features
#1
Marzia Pesaresi, Silvia Giatti, Roberto Spezzano, Simone Romano, Silvia Diviccaro, Tiziana Borsello, Nico Mitro, Donatella Caruso, Luis Miguel Garcia-Segura, Roberto Cosimo Melcangi
BACKGROUND: Disruption of axonal transport plays a pivotal role in diabetic neuropathy. A sex-dimorphism exists in the incidence and symptomatology of diabetic neuropathy; however, no studies so far have addressed sex differences in axonal motor proteins expression in early diabetes as well as the possible involvement of neuroactive steroids. Interestingly, recent data point to a role for mitochondria in the sexual dimorphism of neurodegenerative diseases. Mitochondria have a fundamental role in axonal transport by producing the motors' energy source, ATP...
January 19, 2018: Biology of Sex Differences
https://www.readbyqxmd.com/read/29351560/the-correlation-of-background-parenchymal-enhancement-in-the-contralateral-breast-with-patient-and-tumor-characteristics-of-mri-screen-detected-breast-cancers
#2
Suzan Vreemann, Albert Gubern-Mérida, Cristina Borelli, Peter Bult, Nico Karssemeijer, Ritse M Mann
PURPOSE: Higher background parenchymal enhancement (BPE) could be used for stratification of MRI screening programs since it might be related to a higher breast cancer risk. Therefore, the purpose of this study is to correlate BPE to patient and tumor characteristics in women with unilateral MRI-screen detected breast cancer who participated in an intermediate and high risk screening program. As BPE in the affected breast may be difficult to discern from enhancing cancer, we assumed that BPE in the contralateral breast is a representative measure for BPE in women with unilateral breast cancer...
2018: PloS One
https://www.readbyqxmd.com/read/29351460/macrophage-dependent-impairment-of-%C3%AE-2-adrenergic-autoreceptor-function-in-sympathetic-neurons-from-doca-salt-but-not-high-fat-diet-induced-hypertensive-rats
#3
Ryan Kwun-Yee Mui, Roxanne Fernandes, Hannah Garver, Nico van Rooijen, James J Galligan
DOCA-salt and obesity-related hypertension are associated with inflammation and sympathetic nervous system hyperactivity. Prejunctional α2-adrenergic receptors (α2ARs) provide negative feedback to norepinephrine release from sympathetic nerves through inhibition of N-type Ca2+ channels. Increased neuronal norepinephrine release in DOCA-salt and obesity-related hypertension occurs through impaired α2AR signaling, however, the mechanisms involved are unclear. Mesenteric arteries are resistance arteries that receive sympathetic innervation from the superior mesenteric and celiac ganglia (SMCG)...
January 5, 2018: American Journal of Physiology. Heart and Circulatory Physiology
https://www.readbyqxmd.com/read/29350657/an-icet-a-survey-on-hypoparathyroidism-in-patients-with-thalassaemia-major-and-intermedia-a-preliminary-report
#4
Vincenzo De Sanctis, Ashraf T Soliman, Duran Canatan, Heba Elsedfy, Mehran Karimi, Shahina Daar, Hala Rimawi, Soteroula Christou, Nicos Skordis, Ploutarchos Tzoulis, Praveen Sobti, Shruti Kakkar, Yurdanur Kilinc, Doaa Khater, Saif A Alyaarubi, Valeriya Kaleva, Su Han Lum, Mohamed A Yassin, Forough Saki, Maha Obiedat, Salvatore Anastasi, Maria Concetta Galati, Giuseppe Raiola, Saveria Campisi, Nada Soliman, Mohamed Elshinawy, Soad Al Jaouni, Salvatore Di Maio, Yasser Wali, Ihab Zaki Elhakim, Christos Kattamis
Hypoparathyroidism (HPT) is a rare disease with leading symptoms of hypocalcemia, associated with high serum phosphorus levels and absent or inappropriately low levels of parathyroid hormone (PTH). In patients with thalassemias it is mainly attributed to transfusional iron overload, and suboptimal iron chelation therapy. The main objectives of this survey were to provide data on the prevalence, demographic and clinical features of HPT in thalassemia major (TM) and intermedia (TI) patients living in different countries, and to assess its impact in clinical medical practice...
January 16, 2018: Acta Bio-medica: Atenei Parmensis
https://www.readbyqxmd.com/read/29350285/gut-shuttle-service-endozoochory-of-dispersal-limited-soil-fauna-by-gastropods
#5
Manfred Türke, Markus Lange, Nico Eisenhauer
Numerous important ecosystem functions and services depend on soil biodiversity. However, little is known about the mechanisms which maintain the vast belowground biodiversity and about the filters shaping soil community composition. Yet, biotic interactions like facilitation and dispersal by animals are assumed to play a crucial role, particularly as most soil animal taxa are strongly limited in their active dispersal abilities. Here, we report on a newfound interaction of potentially high ubiquity and importance in soil communities: the endozoochorous dispersal of soil fauna by gastropods...
January 19, 2018: Oecologia
https://www.readbyqxmd.com/read/29349395/delayed-migration-of-a-thrombosed-aortic-endograft-within-a-thrombosed-aneurysm-sac-resulting-in-continued-sac-expansion-and-rupture
#6
Edvard Skripochnik, Nicos Labropoulos, Shang A Loh
We present the case of delayed migration of a thrombosed aortic endograft within a thrombosed aneurysm sac that expanded and ruptured. Dilation of the aortic neck likely led to endograft migration and exposure of the occluded endograft and aneurysm sac to systemic pressure. Although no endoleak was identified, a key finding on ultrasound showed mobility of the sac thrombus. This may be an indicator of flow within the sac that may predict potential for rupture. Despite thrombosis of the aortic sac and endograft, the risk of rupture still lingers, and thus continued surveillance of occluded endografts may be prudent...
September 2017: Journal of Vascular Surgery Cases and Innovative Techniques
https://www.readbyqxmd.com/read/29349391/inguinal-pain-and-fullness-due-to-an-intravascular-leiomyoma-in-the-external-iliac-vein
#7
Edvard Skripochnik, Lisa Marie Terrana, Nicos Labropoulos, Melissa Henretta, Todd Griffin, Shang A Loh
Intravascular leiomyomatosis (IVL) is a benign smooth muscle tumor that evolves from the pelvic veins and can spread to the central veins and heart. Cardiac involvement is the most commonly reported presentation. Initial diagnosis is difficult, and IVL is commonly misdiagnosed as thrombus or atrial myxoma. Appropriate imaging and a high clinical suspicion are required for accurate diagnosis. We report a rare case of IVL in the external iliac vein that recurred 4 years after hysterectomy. Only four cases have been reported in the literature to involve the external iliac vein as it has no direct connection to pelvic venous drainage...
June 2017: Journal of Vascular Surgery Cases and Innovative Techniques
https://www.readbyqxmd.com/read/29347997/openbiodiv-o-ontology-of-the-openbiodiv-knowledge-management-system
#8
Viktor Senderov, Kiril Simov, Nico Franz, Pavel Stoev, Terry Catapano, Donat Agosti, Guido Sautter, Robert A Morris, Lyubomir Penev
BACKGROUND: The biodiversity domain, and in particular biological taxonomy, is moving in the direction of semantization of its research outputs. The present work introduces OpenBiodiv-O, the ontology that serves as the basis of the OpenBiodiv Knowledge Management System. Our intent is to provide an ontology that fills the gaps between ontologies for biodiversity resources, such as DarwinCore-based ontologies, and semantic publishing ontologies, such as the SPAR Ontologies. We bridge this gap by providing an ontology focusing on biological taxonomy...
January 18, 2018: Journal of Biomedical Semantics
https://www.readbyqxmd.com/read/29346546/identifying-cardiac-pathologies-with-coronary-wave-intensity-analysis-an-enrichment-to-the-ever-expanding-coronary-haemodynamics-armamentarium
#9
Nico Bruining, Paul Cummins
No abstract text is available yet for this article.
January 16, 2018: European Heart Journal
https://www.readbyqxmd.com/read/29346419/saxs-analysis-of-a-soluble-cytosolic-ngbr-construct-including-extracellular-and-transmembrane-domains
#10
Joshua Holcomb, Maysaa Doughan, Nicholas Spellmon, Brianne Lewis, Emerson Perry, Yingxue Zhang, Lindsey Nico, Junmei Wan, Srinivas Chakravarthy, Weifeng Shang, Qing Miao, Timothy Stemmler, Zhe Yang
The Nogo-B receptor (NgBR) is involved in oncogenic Ras signaling through directly binding to farnesylated Ras. It recruits farnesylated Ras to the non-lipid-raft membrane for interaction with downstream effectors. However, the cytosolic domain of NgBR itself is only partially folded. The lack of several conserved secondary structural elements makes this domain unlikely to form a complete farnesyl binding pocket. We find that inclusion of the extracellular and transmembrane domains that contain additional conserved residues to the cytosolic region results in a well folded protein with a similar size and shape to the E...
2018: PloS One
https://www.readbyqxmd.com/read/29342355/convergence-of-kirkwood-buff-integrals-of-ideal-and-non-ideal-aqueous-solutions-using-molecular-dynamics-simulations
#11
Jasmin Milzetti, Divya Nayar, Nico F A van der Vegt
The computation of Kirkwood-Buff integrals (KBIs) using molecular simulations of closed systems is challenging due to finite system-size effects. One of the problems involves the incorrect asymptotic behavior of the radial distribution function. Corrections to rectify such effects have been proposed in the literature. This study reports a systematic comparison of the proposed corrections (as given by Ganguly et al. J. Chem. Theory Comput. 2013, 9, 1347-1355 and Krueger et al. J. Phys. Chem. Lett. 2013, 4, 4-7) to assess the asymptotic behavior of the RDFs, the KBIs as well as the estimation of thermodynamic quantities for ideal urea--water and non-ideal modified-urea--water mixtures using molecular dynamics simulations...
January 17, 2018: Journal of Physical Chemistry. B
https://www.readbyqxmd.com/read/29341742/measurement-of-the-electron-antineutrino-angular-correlation-in-neutron-%C3%AE-decay
#12
G Darius, W A Byron, C R DeAngelis, M T Hassan, F E Wietfeldt, B Collett, G L Jones, M S Dewey, M P Mendenhall, J S Nico, H Park, A Komives, E J Stephenson
We report the first result for the electron-antineutrino angular correlation (a coefficient) in free neutron β decay from the aCORN experiment. aCORN uses a novel method in which the a coefficient is proportional to an asymmetry in proton time of flight for events where the β electron and recoil proton are detected in delayed coincidence. Data are presented from a 15 month run at the NIST Center for Neutron Research. We obtained a=-0.1090±0.0030(stat)±0.0028(sys), the most precise measurement of the neutron a coefficient reported to date...
July 28, 2017: Physical Review Letters
https://www.readbyqxmd.com/read/29340287/fully-automated-detection-of-breast-cancer-in-screening-mri-using-convolutional-neural-networks
#13
Mehmet Ufuk Dalmış, Suzan Vreemann, Thijs Kooi, Ritse M Mann, Nico Karssemeijer, Albert Gubern-Mérida
Current computer-aided detection (CADe) systems for contrast-enhanced breast MRI rely on both spatial information obtained from the early-phase and temporal information obtained from the late-phase of the contrast enhancement. However, late-phase information might not be available in a screening setting, such as in abbreviated MRI protocols, where acquisition is limited to early-phase scans. We used deep learning to develop a CADe system that exploits the spatial information obtained from the early-phase scans...
January 2018: Journal of Medical Imaging
https://www.readbyqxmd.com/read/29337884/monitoring-strategies-of-earth-dams-by-ground-based-radar-interferometry-how-to-extract-useful-information-for-seismic-risk-assessment
#14
Andrea Di Pasquale, Giovanni Nico, Alfredo Pitullo, Giuseppina Prezioso
The aim of this paper is to describe how ground-based radar interferometry can provide displacement measurements of earth dam surfaces and of vibration frequencies of its main concrete infrastructures. In many cases, dams were built many decades ago and, at that time, were not equipped with in situ sensors embedded in the structure when they were built. Earth dams have scattering properties similar to landslides for which the Ground-Based Synthetic Aperture Radar (GBSAR) technique has been so far extensively applied to study ground displacements...
January 16, 2018: Sensors
https://www.readbyqxmd.com/read/29337280/behavioral-interventions-for-reducing-head-motion-during-mri-scans-in-children
#15
Deanna J Greene, Jonathan M Koller, Jacqueline M Hampton, Victoria Wesevich, Andrew N Van, Annie L Nguyen, Catherine R Hoyt, Lindsey McIntyre, Eric A Earl, Rachel L Klein, Joshua S Shimony, Steven E Petersen, Bradley L Schlaggar, Damien A Fair, Nico U F Dosenbach
A major limitation to structural and functional MRI (fMRI) scans is their susceptibility to head motion artifacts. Even submillimeter movements can systematically distort functional connectivity, morphometric, and diffusion imaging results. In patient care, sedation is often used to minimize head motion, but it incurs increased costs and risks. In research settings, sedation is typically not an ethical option. Therefore, safe methods that reduce head motion are critical for improving MRI quality, especially in high movement individuals such as children and neuropsychiatric patients...
January 11, 2018: NeuroImage
https://www.readbyqxmd.com/read/29336975/mechanical-and-biochemical-role-of-fibrin-within-a-venous-thrombus
#16
REVIEW
Anirudh Chandrashekar, Gurtej Singh, Jonah Garry, Nicholas Sikalas, Nicos Labropoulos
BACKGROUND: The physical properties of a venous thrombus are derived from molecular characteristics, including fibrin polymer diameter, density, branching, and cross-linking. Dense thrombi with thin, highly branched fibrin fibres and small pores in the meshwork have been observed to be more rigid, less permeable, and more resistant to lysis. The three dimensional fibrin meshwork acts as the main structure to entrap and capture erythrocytes, platelets and plasma components. Attached factors become integrated into the developing thrombus, co-localise with fibrin deposition and act in either a pro- or anticoagulant capacity...
January 12, 2018: European Journal of Vascular and Endovascular Surgery
https://www.readbyqxmd.com/read/29335629/a-prospective-randomized-evaluation-of-the-feasibility-of-exergaming-on-patients-undergoing-hematopoietic-stem-cell-transplantation
#17
Helge Schumacher, Sabrina Stüwe, Peter Kropp, Doreen Diedrich, Sebastian Freitag, Nico Greger, Christian Junghanss, Mathias Freund, Inken Hilgendorf
The positive effects of physical and sports therapy for strain dependent physical practice and improved quality of life (QoL) are well known. Nevertheless, the available capacities and problem-oriented therapies in the setting of hematopoietic stem cell transplantation (HSCT) are limited. We conducted a prospective, randomized study among 42 HSCT recipients in order to investigate the influence of exergaming on Nintendo Wii® or classical physiotherapy (PT) on physical fitness and psychological well-being. The trial included evaluation of muscle strength, endurance, physical activity, distress, QoL, anxiety, and depression...
January 15, 2018: Bone Marrow Transplantation
https://www.readbyqxmd.com/read/29335575/genotypic-variability-enhances-the-reproducibility-of-an-ecological-study
#18
Alexandru Milcu, Ruben Puga-Freitas, Aaron M Ellison, Manuel Blouin, Stefan Scheu, Grégoire T Freschet, Laura Rose, Sebastien Barot, Simone Cesarz, Nico Eisenhauer, Thomas Girin, Davide Assandri, Michael Bonkowski, Nina Buchmann, Olaf Butenschoen, Sebastien Devidal, Gerd Gleixner, Arthur Gessler, Agnès Gigon, Anna Greiner, Carlo Grignani, Amandine Hansart, Zachary Kayler, Markus Lange, Jean-Christophe Lata, Jean-François Le Galliard, Martin Lukac, Neringa Mannerheim, Marina E H Müller, Anne Pando, Paula Rotter, Michael Scherer-Lorenzen, Rahme Seyhun, Katherine Urban-Mead, Alexandra Weigelt, Laura Zavattaro, Jacques Roy
Many scientific disciplines are currently experiencing a 'reproducibility crisis' because numerous scientific findings cannot be repeated consistently. A novel but controversial hypothesis postulates that stringent levels of environmental and biotic standardization in experimental studies reduce reproducibility by amplifying the impacts of laboratory-specific environmental factors not accounted for in study designs. A corollary to this hypothesis is that a deliberate introduction of controlled systematic variability (CSV) in experimental designs may lead to increased reproducibility...
January 15, 2018: Nature Ecology & Evolution
https://www.readbyqxmd.com/read/29331844/assessing-the-risk-of-cmv-reactivation-and-reconstitution-of-antiviral-immune-response-post-bone-marrow-transplantation-by-the-quantiferon-cmv-assay-and-real-time-pcr
#19
Adalbert Krawczyk, Jessica Ackermann, Birgit Goitowski, Rudolf Trenschel, Markus Ditschkowski, Jörg Timm, Hellmut Ottinger, Dietrich W Beelen, Nico Grüner, Melanie Fiedler
BACKGROUND: CMV reactivation is a major cause of severe complications in allogeneic hematopoietic stem cell transplant (HSCT) recipients. The risk of CMV reactivation depends on the serostatus (+/-) of the donor (D) and recipient (R). The reconstitution of CMV-specific T-cell responses after transplantation is crucial for the control of CMV reactivation. OBJECTIVES: The study aimed to determine the cellular immune status correlating with protection from high-level CMV viremia (>5000 copies/ml) and disease...
January 9, 2018: Journal of Clinical Virology: the Official Publication of the Pan American Society for Clinical Virology
https://www.readbyqxmd.com/read/29330524/nf-%C3%AE%C2%BAb-inducing-kinase-is-a-therapeutic-target-for-systemic-lupus-erythematosus
#20
Hans D Brightbill, Eric Suto, Nicole Blaquiere, Nandhini Ramamoorthi, Swathi Sujatha-Bhaskar, Emily B Gogol, Georgette M Castanedo, Benjamin T Jackson, Youngsu C Kwon, Susan Haller, Justin Lesch, Karin Bents, Christine Everett, Pawan Bir Kohli, Sandra Linge, Laura Christian, Kathy Barrett, Allan Jaochico, Leonid M Berezhkovskiy, Peter W Fan, Zora Modrusan, Kelli Veliz, Michael J Townsend, Jason DeVoss, Adam R Johnson, Robert Godemann, Wyne P Lee, Cary D Austin, Brent S McKenzie, Jason A Hackney, James J Crawford, Steven T Staben, Moulay H Alaoui Ismaili, Lawren C Wu, Nico Ghilardi
NF-κB-inducing kinase (NIK) mediates non-canonical NF-κB signaling downstream of multiple TNF family members, including BAFF, TWEAK, CD40, and OX40, which are implicated in the pathogenesis of systemic lupus erythematosus (SLE). Here, we show that experimental lupus in NZB/W F1 mice can be treated with a highly selective and potent NIK small molecule inhibitor. Both in vitro as well as in vivo, NIK inhibition recapitulates the pharmacological effects of BAFF blockade, which is clinically efficacious in SLE...
January 12, 2018: Nature Communications
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